/*

 * Copyright (C) 2020-2024 Huawei Technologies Co., Ltd. All rights reserved.

 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.huaweicloud.common.disovery;

import org.apache.commons.lang3.StringUtils;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.serviceregistry.Registration;

/**
 * Some registrations like Nacos do not support instance id. Need this adapter to generate instance id.
 */
public final class InstanceIDAdapter {
  public static String instanceId(ServiceInstance serviceInstance) {
    String result = serviceInstance.getInstanceId();
    if (StringUtils.isNotEmpty(result)) {
      return result;
    }
    result = serviceInstance.getHost() + ":" + serviceInstance.getPort();
    return result.replaceAll("[^0-9a-zA-Z]", "-");
  }

  public static String instanceId(Registration registration) {
    String result = registration.getInstanceId();
    if (StringUtils.isNotEmpty(result)) {
      return result;
    }
    result = registration.getHost() + ":" + registration.getPort();
    return result.replaceAll("[^0-9a-zA-Z]", "-");
  }
}
